Celestial Buddies is pleased to announce the limited edition Betelbuddy Discovery Pack with two stickers and an eight-page booklet! The Discovery Pack celebrates a fascinating, and fun, series of recent scientific achievements: the prediction of the existence and location of a companion star for Betelgeuse, the famous red supergiant star in Orion, followed by its eventual Imaging and a theory about the companion star’s role. Included in the Betelbuddy Discovery Pack: 4" sticker portraying Betelgeuse and Betelbuddy 2" sticker of Betelbuddy, “The Star Duster" 8-page booklet that describes this discovery and provides fun facts about Orion, Betelgeuse and, of course, Betelbuddy ✅ Our vinyl stickers are durable, weather proof, scratch resistant & dishwasher safe! Scientists have long wondered how to explain Betelgeuse’s six-year cycle of brightening and dimming, and although the existence of a companion star had been viewed as a possibility, it had never been confirmed until 2025. The companion, formally named Siwarha, but better known as Betelbuddy, is too small to eclipse Betelgeuse and thus make it look dimmer. The scientists have therefore theorized that Betelbuddy acts something like a broom, clearing away cosmic dust as it orbits Betelgeuse. This causes Betelgeuse to brighten as Betelbuddy sweeps the dust away, and to get dimmer when the dust comes back.
